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Corn Growth and Development
https://agcrops.osu.edu/node/4409
and whose tip is below the horizontal. Typically, a horizontal leaf growth stage will be one to two ... varying amounts of leaf area destruction for several stages of development. Although this table was ... nitrogen “burn”). The most common damage from hail is loss of leaf area, although stalk breakage and ...
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Stalk Quality and Lodging
https://agcrops.osu.edu/node/4415
important in areas where stalk rots are perennial problems, or where field drying is anticipated―i.e., ... plant. However the Bt trait will do little to minimize stalk rot and lodging in a hybrid characterized ...
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Days to Maturity Rating System
https://agcrops.osu.edu/node/4412
usually not an issue. For delayed planting or replanting hybrid selection needs, growers need more ...
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Nutrient Value of Wheat Straw
https://agcrops.osu.edu/node/4390
wheat straw will not immediately be available for plant uptake. The nitrogen will need to be converted ... Mineralization rapidly occurs when the C:N ratio is ≤ 20:1. At a C:N ratio of 80:1, mineralization will be much ... mineralization will be slowed (halted) in the winter when temperatures are cold. Thus, no nitrogen credit is ...
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Specialty Corns
https://agcrops.osu.edu/node/4426
soft starch in the center into steam that explodes the kernel inside out. The greater the expansion, ... either trait necessarily correlated with total starch content. Some hybrids naturally release a higher ... alpha amylase enzyme directly in the corn kernel, eliminating the need for liquid alpha amylase in dry ...
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High-Quality Seed and Seed Treatment
https://agcrops.osu.edu/node/4383
of light, scabby materials, and this will naturally increase the test weight of the lot. If you can ... glume blotch. However, since no single active ingredient will provide adequate protection against all of ... wheat, cleaning, germ test, and fungicide seed treatment are absolutely necessary. Cleaning will get rid ...
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Disease Management
https://agcrops.osu.edu/node/4391
that are most prevalent in their area of the state and are most capable of causing substantial yield ... Seed treatments will also provide protection against foliar diseases such as Stagonospora leaf blotch ... threshold and risk. Disease thresholds are 1 percent of leaf area affected on the leaf below the flag leaf ...
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How Climate Affects Corn Production
https://agcrops.osu.edu/node/4407
transpiration. If these needs are not met, the plant will wilt. Table 4-2 shows the effect of drought on corn ... stress caused by flooding and ponding is a lack of oxygen needed for the proper function of the root ... increase disease incidence, and plants will suffer from reduced root growth and function for some days ...
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How Climate Affects Corn Production
https://agcrops.osu.edu/node/4406
transpiration. If these needs are not met, the plant will wilt. Table 4-2 shows the effect of drought on corn ... stress caused by flooding and ponding is a lack of oxygen needed for the proper function of the root ... increase disease incidence, and plants will suffer from reduced root growth and function for some days ...
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Harvesting
https://agcrops.osu.edu/node/4425
corn will lose during the drying process, multiply the wet weight by the shrink factor from the table. ... For example, assume that 1 ton (2000 pounds) of shelled grain at 25 percent moisture will be dried to ... grain moistures are greater than 15.5 percent, the test weights will be biased downward. In other words, ...